Peter Ertl created FLINK-7430:
---------------------------------
Summary: ContinuousFileReaderOperator swallows exceptions
Key: FLINK-7430
URL: https://issues.apache.org/jira/browse/FLINK-7430
Project: Flink
Issue Type: Bug
Components: DataStream API
Affects Versions: 1.3.2
Reporter: Peter Ertl
The class ContinuousFileReaderOperator is swallowing exception as the following
example demonstrated:
package org.apache.flink.streaming.examples;
import java.io.File;
import java.io.IOException;
import org.apache.flink.api.common.io.OutputFormat;
import org.apache.flink.configuration.Configuration;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
public class FormatExceptionSwallowed {
public static void main(String[] args) throws Exception {
final StreamExecutionEnvironment env =
StreamExecutionEnvironment.getExecutionEnvironment();
File bla = File.createTempFile("foo", "baz");
env.readTextFile(bla.getCanonicalPath())
.writeUsingOutputFormat(new OutputFormat<String>() {
@Override
public void configure(final Configuration
parameters) {
}
@Override
public void open(final int taskNumber, final
int numTasks) throws IOException {
}
@Override
public void writeRecord(final String record)
throws IOException {
throw new
IllegalArgumentException("bla");
}
@Override
public void close() throws IOException {
}
});
env.execute("go");
// JOB TERMINATES WITH NO EXCEPTION / ERROR whatsoever ...
}
}
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